JPH01301217A - Manufacture of three color lens - Google Patents
Manufacture of three color lensInfo
- Publication number
- JPH01301217A JPH01301217A JP13040688A JP13040688A JPH01301217A JP H01301217 A JPH01301217 A JP H01301217A JP 13040688 A JP13040688 A JP 13040688A JP 13040688 A JP13040688 A JP 13040688A JP H01301217 A JPH01301217 A JP H01301217A
- Authority
- JP
- Japan
- Prior art keywords
- lens
- color tone
- color
- partition plate
- injection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 238000005192 partition Methods 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000000465 moulding Methods 0.000 claims abstract description 16
- 238000001746 injection moulding Methods 0.000 claims description 16
- 235000019646 color tone Nutrition 0.000 description 31
- 238000002347 injection Methods 0.000 description 14
- 239000007924 injection Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1635—Making multilayered or multicoloured articles using displaceable mould parts, e.g. retractable partition between adjacent mould cavities
- B29C45/1639—Removable partitions between adjacent mould cavity portions
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、３種類の色調を有する部分よりなる３色レン
ズを射出成形する方法に係り、特に、１組の成形型によ
って３色レンズを成形し得るように改良した方法に関す
るものである。Detailed Description of the Invention [Field of Industrial Application] The present invention relates to a method for injection molding a tricolor lens consisting of parts having three different tones, and in particular to a method for injection molding a tricolor lens with a set of molds. This invention relates to an improved method for molding.
従来技術でＮ色の多色レンズを射出成形する場合は、
ｊｊＩ雌Ｎ組の成形型を用い、型組み、型外しを含む射
出工程をＮ回繰返していた。In the case of injection molding a polychromatic lens of N colors using the conventional technique, N sets of jjI female molds were used, and the injection process including mold assembly and mold removal was repeated N times.
即ち、２色レンズを成形する場合は、第１の射出成形型
を用いて第１の色調のレンズを成形し、上記第１の色調
のレンズを、第２の射出成形型の中に収納して（インサ
ートして）、第２の色調のレンズを、前記既製の第１の
色調のレンズに連設して２色レンズを成形する。That is, when molding a two-color lens, a first injection mold is used to mold a lens of a first color tone, and the lens of the first color tone is housed in a second injection mold. (inserted), a second color tone lens is connected to the ready-made first color tone lens to form a two-color lens.
３色レンズを成形する場合は、更に上記の如く成形した
２色レンズを第３の射出成形型の中に収納して、第３の
色調のレンズをこれに連設して成形する。When molding a three-color lens, the two-color lens molded as described above is further placed in a third injection mold, and a lens of a third color tone is molded in series with the two-color lens.
上に述べた従来技術に係る方法によれば１．単色レンズ
よりも２色レンズ、２色レンズよりも３色レンズと、色
調の数が増すに従って所要の射出成形型の数が増し、工
程が複雑となり、大形で高価な成形設備を必要とした。According to the method according to the prior art described above: 1. As the number of color tones increased, such as two-color lenses rather than monochromatic lenses, and three-color lenses rather than two-color lenses, the number of injection molds required increased, making the process complex and requiring large and expensive molding equipment. .
本発明の目的は、雄、雌ＩＭｉの射出成形型を用い、型
組み、型外しを含む工程１サイクルによって、３色レン
ズを射出成形する方法を提供しようとするものである。An object of the present invention is to provide a method for injection molding a tricolor lens using male and female IMi injection molds through one process cycle including mold assembly and mold removal.
上記の目的を達成するために創作した本発明に係る方法
は
（イ）色調の異なるレンズ境界面を設定し、（ｈ）上記
境界面に進出・後退する第１．第２の仕切板を構成し、
（ハ）上記２枚の仕切板のそれぞれが後退したとき、成
形型の雄側及び雌側それぞれの中に収納される構造とし
、
（ニ）上記第１．第２の仕切板を境界面に進出させて第
２の色調のレンズを射出成形し、（ホ）該第】の仕切板
を後退させて第１の色調のレンズを射出成形し、
（へ）第２の仕切板を後退をさせて第３の色調のレンズ
を射出成形する。The method according to the present invention created to achieve the above object is as follows: (a) setting lens boundary surfaces with different tones, and (h) first advancing and retreating to the boundary surfaces. a second partition plate; (c) a structure in which when each of the two partition plates is retracted, it is housed in the male side and female side of the mold, respectively; The second partition plate is advanced to the boundary surface to injection mold a lens of the second color tone, (e) the partition plate is moved back and a lens of the first color tone is injection molded, (f) The second partition plate is retracted and a third color tone lens is injection molded.
ただし、第１の色調、第２の色調、第３の色調とは、単
に色調を区別するための呼び名であって、これを如何な
る色調にするかは拘束されない。第１の仕切板、第２の
仕切板も、区分の為の便宜的な呼び名であって、入れ替
え可能である。However, the first color tone, the second color tone, and the third color tone are simply names for distinguishing the color tones, and there is no restriction as to what color tone they are. The first partition plate and the second partition plate are also convenient names for classification, and are interchangeable.
上記の工程によれば、仕切板を備えた１組の型で３色レ
ンズの射出成形が行われ、
第１の色調のレンズの射出成形から第２の色調のレンズ
の射出成形まで間において、成形型に関する限りは、仕
切板を後退させれば足り、型外し、型組みの作業を要し
ない。According to the above process, injection molding of three-color lenses is performed using a set of molds equipped with partition plates, and between the injection molding of lenses of the first color tone and the injection molding of lenses of the second color tone, As far as the mold is concerned, it is sufficient to retreat the partition plate, and there is no need to remove the mold or assemble the mold.
第５図に示す如（，３色レンズ１の輪郭内部を、第１の
色調の部分１．と、第２の色調の部分１ｂと、第３の色
調の部分１ｃに区分し、鎖線で示した第１の境界面Ｘと
、破線で示した第２の境界面Ｙとを設定する。As shown in FIG. 5, the inside of the outline of the tricolor lens 1 is divided into a first color tone portion 1, a second color tone portion 1b, and a third color tone portion 1c, which are indicated by chain lines. A first boundary surface X shown by a broken line and a second boundary surface Y shown by a broken line are set.
第１図（Ｂ）に示す如く、射出成形用の型２は、雌型２
ａと２ｂとによって構成され、両者の間に、第１の色調
のレンズを成形するための空隙３ａと、第２の色調のレ
ンズを成形するための空隙３ｂと、
第３の色調のレンズを成形するための空隙３ｃとが形成
される。As shown in FIG. 1(B), the mold 2 for injection molding is a female mold 2.
a and 2b, and between them, there is a gap 3a for molding a lens of a first color tone, a gap 3b for molding a lens of a second color tone, and a lens of a third color tone. A void 3c for molding is formed.
前記の境界面Ｘに沿って第１の仕切板４を構成する。こ
の仕切板４は雄型２ｂ内に設けられていて、矢印ａ方向
に突出して空隙３ａ、３ｂを仕切ったり、矢印す方向に
後退して収納されたりする構造である。The first partition plate 4 is configured along the boundary surface X mentioned above. This partition plate 4 is provided within the male die 2b, and has a structure in which it projects in the direction of arrow a to partition the gaps 3a and 3b, or retreats in the direction of arrow a and is housed.
第１図（Ｂ）の■−■断面を第２図に示す。FIG. 2 shows a cross section taken along line 1--2 in FIG. 1(B).
第２図（Ａ）は、第１の仕切板４が矢印す方向に後退し
た状態を描き、同図（Ｂ）は矢印ａ方向に前進して、成
形用空隙を仕切った状態を描いである。FIG. 2(A) depicts a state in which the first partition plate 4 is retreated in the direction indicated by the arrow, and FIG. 2(B) depicts a state in which the first partition plate 4 moves forward in the direction indicated by the arrow a to partition the molding gap. .
５は、駆動用のシリンダである。5 is a driving cylinder.
同様に、第２の空隙３ｂと第３の空隙とを仕切る第２の
仕切板６を設ける。Similarly, a second partition plate 6 is provided to partition the second gap 3b and the third gap.
第１図に示す如く、第１の仕切板４を矢印ａ方向に前進
させ、空隙３ａと、同３ｂとを仕切る。As shown in FIG. 1, the first partition plate 4 is moved forward in the direction of arrow a to partition the gap 3a and the gap 3b.
この状態（仕切った状態）で、第１図（Ａ）。In this state (partitioned state), FIG. 1(A).
（Ｂ）に示す如く、第２の色調のレンズ（斑点を付して
示す）ｌｂを射出成形する。As shown in (B), a second tone lens (shown with spots) lb is injection molded.
この状態（第１図）から、第１の仕切板４を矢印す方向
に後退させて、第３図の状態とする。第１の仕切板４の
後退により、成形された第２の色調のレンズ１ｂの端面
１ｂ−＋は、第１の色調のレンズを成形するための空隙
３ａに対して露出する。From this state (FIG. 1), the first partition plate 4 is moved back in the direction indicated by the arrow, resulting in the state shown in FIG. 3. By retreating the first partition plate 4, the end surface 1b-+ of the molded lens 1b of the second color tone is exposed to the gap 3a for molding the lens of the first color tone.
この状態（端面露出）で、第３図に示すように、第１の
色調のレンズ１ａを射出成形する。In this state (end face exposed), as shown in FIG. 3, a lens 1a of the first color tone is injection molded.
次いで第２の仕切板６を後退させ、第４図に示すように
第３の色調のレンズＩＣを射出成形する。Next, the second partition plate 6 is moved back, and a third color tone lens IC is injection molded as shown in FIG.
この実施例においては以上に述べたようにして、雌型２
ａと雄型２ｂとの１組の型を用い、型組み操作・型外し
操作を繰り返すことなく、３色レンズが射出成形される
。In this embodiment, as described above, the female mold 2
A three-color lens is injection molded using a set of molds a and male mold 2b without repeating mold assembly and mold removal operations.
〔発明の効果］
本発明の製造方法によれば、雄、雌１′Ｍｉの型を用い
、型組み・型外しを含む工程１サイクルで、３色レンズ
を射出成形することが出来る。[Effects of the Invention] According to the manufacturing method of the present invention, a three-color lens can be injection molded using male and female 1'Mi molds in one process cycle including mold assembly and mold removal.
第１図は、本発明の３色レンズ製造方法を実施するため
に構成した３色レンズ製造装置の１例の説明図である。
第２図は上記第１図の■−■断面図である。
第３図及び第４図は本発明方法の１実施例を示す工程図
である。第５図は３色レンズの説明図である。
１−・・３色レンズ、１ａ−第１の色調のレンズ、１ｂ
−・−第２の色調のレンズ、１ｃｍ・第３の色調のレン
ズ、２・−射出成形用の型、２ａ−雌型、２ｂ−・−雄
型、３−成形用の空隙、 ３ａ−第１の色調のレンズを
成形するための空隙、３ｂ−第２の色調のレンズを成形
するための空隙、３Ｃ・−第３の色調のレンズを成形す
るための空隙、４−・−第１の仕切板、５−・−シリン
ダ、６・−第２の仕切板。
特許出願人 市光工業株式会社
代理人 弁理士 秋 本 正 実
外１名
第１図（Ａ）
、・″′４
第３図（Ａ）
第４図（Ａ）
第４図（Ｂ）FIG. 1 is an explanatory diagram of an example of a three-color lens manufacturing apparatus configured to carry out the three-color lens manufacturing method of the present invention. FIG. 2 is a sectional view taken along the line -■ in FIG. 1 above. 3 and 4 are process diagrams showing one embodiment of the method of the present invention. FIG. 5 is an explanatory diagram of a three-color lens. 1--Three color lens, 1a-first color tone lens, 1b
-.- Lens of second color tone, 1 cm third color lens, 2.- Mold for injection molding, 2a- Female mold, 2b-.- Male mold, 3- Gap for molding, 3a-th. 3b-Gap for molding the lens of the second color tone, 3C.-Gap for molding the lens of the third color tone, 4-.-Gap for molding the lens of the third color tone; Partition plate, 5--cylinder, 6--second partition plate. Patent applicant: Ichikoh Kogyo Co., Ltd. Representative Patent attorney Tadashi Akimoto 1 other person Figure 1 (A) ,・'''4 Figure 3 (A) Figure 4 (A) Figure 4 (B)
Claims (1)
３の色調の部分とよりなる３色レンズを射出成形する方
法において、 （ｂ）射出成形用の雄型と雌型との間に形成される空隙
内に、色調の境界面を設定し、 （ｃ）上記第１の色調と第２の色調との境界面に挿入、
抜去される構造の第１の仕切板を、射出成形用の雄型側
に設けると共に、第３の色調とその他の色調との境界面
に挿入、抜去される構造の第２の仕切板を射出成形用の
雌型側に設け、（ｄ）上記第１及び第２の仕切板を境界
面に挿入した状態で第２の色調のレンズを射出成形し、
（ｅ）第２の色調のレンズを射出成形した後、前記第１
の仕切板を後退させて境界面を開放し、（ｆ）第１の色
調のレンズを射出成形し、 （ｇ）第２の仕切板を後退させ、その後 （ｈ）第３の色調のレンズを射出成形し、 （ｉ）雄、雌１組の型により３色レンズを射出成形する
ことを特徴とする、３色レンズの製造方法。[Claims] 1. (a) A method for injection molding a three-color lens consisting of a first color tone portion, a second color tone portion, and a third color tone portion, comprising: (b) injection molding. (c) setting a tone boundary surface in the gap formed between the male mold and the female mold; (c) inserting the boundary surface between the first color tone and the second color tone;
A first partition plate with a structure to be removed is provided on the male mold side for injection molding, and a second partition plate with a structure to be inserted and removed is inserted into the interface between the third color tone and the other color tone. provided on the female mold side for molding, (d) injection molding a lens of a second color tone with the first and second partition plates inserted into the interface;
(e) after injection molding the lens of the second color tone;
retracting the partition plate to open the interface, (f) injection molding a lens of the first tone, (g) retracting the second partition plate, and then (h) molding the lens of the third tone. A method for manufacturing a tricolor lens, comprising: (i) injection molding a tricolor lens using a pair of male and female molds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13040688A JPH0780210B2 (en) | 1988-05-30 | 1988-05-30 | Method for manufacturing three-color lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13040688A JPH0780210B2 (en) | 1988-05-30 | 1988-05-30 | Method for manufacturing three-color lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01301217A true JPH01301217A (en) | 1989-12-05 |
| JPH0780210B2 JPH0780210B2 (en) | 1995-08-30 |
Family
ID=15033519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13040688A Expired - Fee Related JPH0780210B2 (en) | 1988-05-30 | 1988-05-30 | Method for manufacturing three-color lens |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0780210B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01304919A (en) * | 1988-06-02 | 1989-12-08 | Yoshino Kogyosho Co Ltd | Molding method for synthetic resin |
| WO1997049569A1 (en) * | 1996-06-27 | 1997-12-31 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Door trim structure and method of forming same |
| US8057217B2 (en) * | 2004-09-30 | 2011-11-15 | Bausch + Lomb Incorporated | Apparatus and method for injection molding an intraocular lens device |
| KR101877284B1 (en) * | 2016-11-09 | 2018-07-11 | 임장호 | Manufacturing mold for insulation cap of solderless terminal comprising blocking member |
-
1988
- 1988-05-30 JP JP13040688A patent/JPH0780210B2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01304919A (en) * | 1988-06-02 | 1989-12-08 | Yoshino Kogyosho Co Ltd | Molding method for synthetic resin |
| WO1997049569A1 (en) * | 1996-06-27 | 1997-12-31 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Door trim structure and method of forming same |
| US8057217B2 (en) * | 2004-09-30 | 2011-11-15 | Bausch + Lomb Incorporated | Apparatus and method for injection molding an intraocular lens device |
| US8663510B2 (en) | 2004-09-30 | 2014-03-04 | Bausch & Lomb Incorporated | Method for injection molding an intraocular lens device |
| KR101877284B1 (en) * | 2016-11-09 | 2018-07-11 | 임장호 | Manufacturing mold for insulation cap of solderless terminal comprising blocking member |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0780210B2 (en) | 1995-08-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |